Lek Wantha-Research Group

International Publications:

[15] Sasitorn Boonkerd and Lek Wantha. (2024). Antisolvent Crystallization of Papain. ChemEngineering 2024, 8(1), 1-12

[14] Kongsamai, P., Phoumixay, C., Wantha, L. (2020). Experiments and Correlations of the Solubility of γ-DL-Methionine in Binary Solvent Mixtures. Chemical Engineering and Technology. 43(6), 1079-1086.

[13] Kongsamai, P., Wantha, L., Flood, A.E., Tangsathitkulchai, C. (2019). In-situ measurement of the primary nucleation rate of the metastable polymorph B of L-histidine in antisolvent crystallization. Journal of Crystal Growth. 525, 125209.

[12] Lek Wantha, Neeranuch Punmalee, Adrian E. Flood. (2019). Influence of Solvents on Solution-Mediated Polymorphic Transformation of the Polymorphs of L-Histidine. Chemical Engineering and Technology. 42(7), 1505-1511.

[11] Lek Wantha, Neeranuch Punmalee, Vanida Sawaddiphol, and Adrian E. Flood. (2018). Ethanol effect on crystallization of polymorph of L-histidine. Journal of Crystal Growth. 490: 65-70.

[10] Neeranuch Punmalee, Lek Wantha and Adrian E. Flood. (2018). Antisolvent Crystallization of Polymorphs of L-Histidine. Chemical Engineering and Technology. 41(6): 1132-1138.

[9] Lek Wantha. (2018). Kinetics of the Solution-Mediated Polymorphic Transformation of Organic Compounds. Current Pharmaceutical Design. 24 (21): 2383 – 2393.

[8] Lek Wantha. (2016). Determination of Nucleation and Growth Mechanisms of the B Polymorph of L-Histidine by Induction Time Measurement. Chemical Engineering and Technology. 37(9): 1289-1294.

[7] Lek Wantha and Adrian E. Flood. (2015). Growth and Dissolution Kinetics of A and B Polymorphs of L-Histidine. Chemical Engineering and Technology. 38(6): 1022-1028.

[6] Lek Wantha and Adrian E. Flood. (2013). Population Balance Modeling of the Solution-Mediated Transformation of DL-Methionine Polymorphs. Chemical Engineering and Technology. 36(8): 1313-1319.

[5] Adrian E. Flood and Lek Wantha. (2013). Population Balance Modeling of the Solution Mediated Trensformation of Polymorphs: Limitations and Future Trends. Journal of Crystal Growth. 373: 7-12.

[4] Lek Wantha and Adrian E. Flood. (2013). Growth and dissolution kinetics of alpha and gamma polymorphs of DL-methionine in aqueous solution. Journal of Crystal Growth. 362(1): 66-70.

[3] Lek Wantha and Adrian E.Flood. (2012). Nucleation Kinetics of the γ Polymorph of DL-Methionine. Chemical Engineering and Technology. 35(6): 1024-1030.

[2] Lek Wantha and Adrian E. Flood. (2011). Crystal growth rates and secondary nucleation threshold for g-DL-methionine in aqueous solution. Journal of Crystal Growth. 318(1):117-121.

[1] Wirapong Wantha and Adrian Flood. (2008). Numerical Simulation and Analysis of Flow in a DTB Crystallizer. Chemical Engineering Communication. 195(11): 1345-1370.

Conference Proceedings:

[23] S. Aemareerut, W. Dathong, A. Boontawan, and L. Wantha. (2023). Glucose Production from Cassava Root. The 32nd Thai Institute of Chemical Engineering and Applied Chemistry Conference (TIChE2023); 16-17 March 2023; Nakhon Pathom.

[22] P. Promnguluem, L. Wantha, W. Dathong and A. Boontawan. (2023). Production of Glucose from Cassava Pulp Using Enzymatic Hydrolysis. The 32nd Thai Institute of Chemical Engineering and Applied Chemistry Conference (TIChE2023); 16-17 March 2023; Nakhon Pathom.

[21] C. Phoumixay and L. Wantha. (2021). Solubility, Metastable Zone Width, Viscosity, and Thermodynamic Properties of Glucose and Sucrose in Water. The 30th Thai Institute of Chemical Engineering and Applied Chemistry Conference (TIChE2021); 6-7 May 2021; Suranaree University of Technology, Nakhon Ratchasima.

[20] C. Phimonwichayakit, P. Jaipakdee, P. Uthaiwattananon, L. Wantha and C. Phoumixay. (2020). Drug Coating Technology by Sugar Cooling Crystallization method. SUT International Virtual Conference on Science and Technology, Nakhon Ratchasima, Thailand.

[19] P. Kongsamai, L. Wantha, J. Phitchayaphiboon, and J. Posiin. (2019). Experimental and Correlation of the Solubility of Polymorph of g-DL-Methionine in Binary Solvent. 26th BIWIC International Workshop on Industrial Crystallization, Rayong, Thailand.

[18] L. Wantha, N. Punmalee, and A.E. Flood. (2018). Solution-Mediated Polymorphic Transformation between Two Polymorphs of L-Histidine in Several Solvents. 25th BIWIC International Workshop on Industrial Crystallization, Rouen, France.

[17] L. Wantha, N. Punmalee, A. Flood. (2017). Antisolvent Crystallization of Polymorphs of L-Histidine. 24th BIWIC International Workshop on Industrial Crystallization, Dortmund, Germany.

[16] สวิตา เลิศสุโภชวณิชย์, ชัยวัฒน์ กันหารี, วันเช็ง สิทธิกิจโยธิน, เล็ก วันทา. 2559. ประเมินความเสี่ยงของการรั่วไหลของก๊าซคาร์บอนไดออกไซด์ในโรงงานผลิตคาร์บอนไดออกไซด์เหลว. ประชุมวิชาการวิศวกรรมเคมีและเคมีประยุกต์แห่งประเทศไทย ครั้งที่ 26. กรุงเทพฯ.

[15] L. Wantha, N. Punmalee, V. Sawaddiphol, A. Flood. (2016). Solvent Effect on Polymorphic Crystallization of L-Histidine. 23th BIWIC International Workshop on Industrial Crystallization, Magdeburg, Germany.

[14] Wantha, L., (2015). Determining the Nucleation and Growth Mechanisms of B Polymorph of L-Histidine in Water-Ethanol System. 22th BIWIC International Workshop on Industrial Crystallization, Deajeon, Korea.

[13] Lek Wantha, Katawut Promsalod, and Natthakaan Sae-Tang (2015). Determination of Growth Kinetics of Sugar Crystals from Desupersaturation Measurements. The 5th TIChE International Conference 2015, Pattaya, Thailand.

[12] Wantha, L., and Flood, A.E. (2014). Effect of Temperature on the Growth and Dissolution Kinetics of L-Histidine. 21th BIWIC International Workshop on Industrial Crystallization, Rouen, France.

[11] Lek Wantha, Parichat Thawornkong, Suphawadee Mahawanud, and Nisara Suksanguansilp. (2014). Determination of the Nucleation Kinetics of the Polymorphs of L-Histidine. The 4th TIChE International Conference 2014, Chiang Mai, Thailand.

[10] Wantha, L., Laowisai, A., and Pannorach, S. (2013). Crystallization and Dissolution Kinetics of the Polymorphs of L-Histidine. 20th BIWIC International Workshop on Industrial Crystallization, Odense, Denmark.

[9] Lek Wantha and Adrian E. Flood. (2012). Population Balance Modeling of the Solution-Mediated Transformation of DL-Methionine Polymorphs. 19th BIWIC International Workshop on Industrial Crystallization. Tianjin, China.

[8] Lek Wantha. (2012). Characterization and Transformation of the Polymorphs of DL-Methionine Crystals. Burapha University International Conference 2012. Pattaya, Thailand.

[7] Wantha, L. and Flood, A.E. (2011). Nucleation kinetics of the g polymorph of DL-methionine. 18th BIWIC International Workshop on Industrial Crystallization. Delft, The Netherlands.

[6] Wantha, L. and Flood, A.E. (2010). Kinetics of crystallization of a-DL-methionine. 17th Regional Symposium on Chemical Engineering (RSCE2010). Bangkok, Thailand.

[5] Wantha, L. and Flood, A.E. (2009). Thermodynamics and kinetics of crystallization of the polymorphs of DL-methionine. 16th BIWIC International Workshop on Industrial Crystallization. Lappeenranta, Finland.

[4] Wantha, L. and Flood, A.E. (2009). An investigation of the secondary nucleation threshold and growth of g-DL-methionine in aqueous solution. 19th Thailand Chemical Engineering and Applied Chemistry Conference. Kanchanaburi, Thailand.

[3] Wantha, L. and Flood, A.E. (2008). Polymorphism and thermodynamics of DL-methionine. 18thThailand Chemical Engineering and Applied Chemistry Conference. Pattaya, Thailand.

[2] Flood, A.E. and Wantha, W. (2006). Computational fluid dynamic modeling of a 1 m3 draft tube baffle crystallizer with fines removal. 13th BIWIC International Workshop on Industrial Crystallization. Delft, The Netherlands.

[1] Wantha, W. and Flood, A.E. (2006). Numerical simulation and analysis of flow in a DTB crystallizer. International Conference on Modeling in Chemical and Biological Engineering Sciences. Bangkok, Thailand.5-1370.

Conference Abstracts:

[16] Channakhone Phoumixay and Lek Wantha (2023). Coating by cooling crystallization of sugar on metformin hydrochloride tablets. The 22nd International Symposium on Industrial Crystallization (ISIC). Glassgow, UK.

[15] L. Inthavideth and L. Wantha. (2023). Effect of salts on the solubility and crystallization of L-histidine polymorphs. 28th International Workshop on Industrial Crystallization (BIWIC2023). Stockholm, Sweden.

[14] L. Wantha (2022). IN-SITU MEASUREMENT OF SOLUTION-MEDIATED POLYMORPHIC TRANSFORMATION OF L-HISTIDINE BY RAMAN SPECTROSCOPY. 4th International Conference on Crystal Growth of Organic Materials. Brussels, Belgium.

[13] C. Phoumixay and L. Wantha (2022). Coating of Drug Tablet by Cooling Crystallization. 27th International Workshop on Industrial Crystallization (BIWIC2022). Espoo - Finland.

[12] C. Xaiyathoumma, C. Phoumixay, P. Kongsamai, L. Wantha, N. Punmalee and A.E. Flood. (2021). Experimental and Correlation of Solubility of the Metastable Polymorph B of L-Histidine in Binary Solvent Mixtures. The Asian Crystallization Technology Symposium. Naknon Ratchasima, Thailand.

[11] L. Wantha. (2019). Growth Kinetic of the Metastable Polymorph B of L-Histidine. The 18th Asian Pacific Confederation of Chemical Engineering Congress (APCChE 2019). Sapporo, Japan.

[10] L. Wantha, N. Punmalee, A.E. Flood. (2018). Solvent Effects in the Solubility of the Polymorph of L-Histidine. Asian Crystallization Technology Symposium 2018 (ACTS-2018). Singapore.

[9] เล็ก วันทา และ พุทธ กิติวิริยกุล (2560). การประเมินคาร์บอนฟุตพริ้นท์ของบริษัท เอเซีย แปซิฟิค ปิโตรเคมิคอล จำกัด (T86 site). การประชุมวิชาการทางวิศวกรรมเคมีและเคมีประยุกต์แห่งประเทศไทย ครั้งที่ 27 (TIChE 2017). กรุงเทพ.

[8] Flood, A.E. and Wantha, L. (2012). Population balance modeling of the solution mediated transformation of polymorphs: Limitations and future trends. 1st Asian Crystallization Technology Symposium (ACTS-2012). Seoul, Korea.

[7] Wantha, L. and Flood, A.E. (2011). Crystallization kinetics of polymorphs of DL-methionine. The Commission on Higher Education Congress IV. Chonburi, Thailand.

[6] Wantha, L. and Flood, A.E. (2011). Growth and dissolution kinetics of alpha and gamma polymorphs of DL-methionine. 5th Asian Conference on Crystal Growth and Crystal Technology (CGCT-5). Suntec, Singapore.

[5] Wantha, L. and Flood, A.E. (2010). Crystal growth rates for gamma-DL-methionine in aqueous solution. 16th International Conference on Crystal Growth (ICCG-16). Beijing, People’s Republic of China.

[4] Wantha, L. and Flood, A.E. (2010). Crystal growth and dissolution rates for α-DL-methionine in aqueous solution. 14th International Summer School on Crystal Growth (ISSCG-14). Dalian, People’s Republic of China.

[3] Wantha, L. and Flood, A.E. (2009). Polymorphism and kinetics of crystallization of DL-methionine. International Symposium of East Asian Young Scientists Follow-up Program on Environment- and Bio-Engineering. Hyogo, Japan.

[2] Wantha, L. and Flood, A.E. (2009). Polymorphism and polymorphic transformation of DL-methionine crystals. 42nd IUPAC Congress: Chemistry Solutions. Glasgow, UK.

[1] Wantha, L. and Flood, A.E. (2008). Polymorph characterization and solubility measurement of DL-methionine. The Commission on Higher Education Congress I. Chonburi, Thailand.